Metallic Coulomb blockade thermometry down to 10 mK and below

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dc.contributorAalto-yliopistofi
dc.contributorAalto Universityen
dc.contributor.authorCasparis, L.
dc.contributor.authorMeschke, M.
dc.contributor.authorMaradan, D.
dc.contributor.authorClark, A. C.
dc.contributor.authorScheller, C. P.
dc.contributor.authorSchwarzwälder, K. K.
dc.contributor.authorPekola, Jukka P.
dc.contributor.authorZumbühl, D. M.
dc.contributor.departmentDepartment of Applied Physicsen
dc.contributor.departmentTeknillisen fysiikan laitosfi
dc.contributor.schoolPerustieteiden korkeakoulufi
dc.contributor.schoolSchool of Scienceen
dc.date.accessioned2015-05-29T09:01:00Z
dc.date.available2015-05-29T09:01:00Z
dc.date.issued2012
dc.description.abstractWe present an improved nuclear refrigerator reaching 0.3 mK, aimed at microkelvin nanoelectronic experiments, and use it to investigate metallic Coulomb blockadethermometers (CBTs) with various resistances R. The high-R devices cool to slightly lower T, consistent with better isolation from the noise environment, and exhibit electron-phonon cooling ∝ T  5 and a residual heat-leak of 40 aW. In contrast, the low-R CBTs display cooling with a clearly weaker T-dependence, deviating from the electron-phonon mechanism. The CBTs agree excellently with the refrigerator temperature above 20 mK and reach a minimum-T of 7.5 ± 0.2 mK.en
dc.description.versionPeer revieweden
dc.format.extent083903/1-3
dc.format.mimetypeapplication/pdfen
dc.identifier.citationCasparis, L. & Meschke, M. & Maradan, D. & Clark, A. C. & Scheller, C. P. & Schwarzwälder, K. K. & Pekola, Jukka & Zumbühl, D. M. 2012. Metallic Coulomb blockade thermometry down to 10 mK and below. Review of Scientific Instruments. Volume 83, Issue 8. 083903/1-3. ISSN 0034-6748 (printed). DOI: 10.1063/1.4744944.en
dc.identifier.doi10.1063/1.4744944
dc.identifier.issn0034-6748 (printed)
dc.identifier.urihttps://aaltodoc.aalto.fi/handle/123456789/16393
dc.identifier.urnURN:NBN:fi:aalto-201505293041
dc.language.isoenen
dc.publisherAIP Publishingen
dc.relation.ispartofseriesReview of Scientific Instrumentsen
dc.relation.ispartofseriesVolume 83, Issue 8
dc.rights© 2012 AIP Publishing. This is the accepted version of the following article: Casparis, L. & Meschke, M. & Maradan, D. & Clark, A. C. & Scheller, C. P. & Schwarzwälder, K. K. & Pekola, Jukka & Zumbühl, D. M. 2012. Metallic Coulomb blockade thermometry down to 10 mK and below. Review of Scientific Instruments. Volume 83, Issue 8. 083903/1-3. ISSN 0034-6748 (printed). DOI: 10.1063/1.4744944, which has been published in final form at http://scitation.aip.org/content/aip/journal/rsi/83/8/10.1063/1.4744944en
dc.rights.holderAIP Publishing
dc.subject.keywordCoulomb blockadeen
dc.subject.keywordrefrigerationen
dc.subject.keywordrefrigeratorsen
dc.subject.keywordthermometersen
dc.subject.keywordcopperen
dc.subject.keyworddemagnetizationen
dc.subject.keywordnanowiresen
dc.subject.otherPhysicsen
dc.titleMetallic Coulomb blockade thermometry down to 10 mK and belowen
dc.typeA1 Alkuperäisartikkeli tieteellisessä aikakauslehdessäfi
dc.type.dcmitypetexten
dc.type.versionFinal published versionen

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